分根区交替灌溉在农业生产中的应用研究进展

Research Progress on the Application of Alternate Partial Root-zone Irrigation in Agricultural Production

在全球水资源日益紧缺的背景下,如何提高农业用水利用效率,对于农业可持续发展具有重要意义。分根区交替灌溉作为一种具有较好前景的高效节水灌溉技术,被认为是未来最具发展潜力的灌溉技术之一。目前,各国科技工作者围绕分根区交替灌溉对作物生长、生理的影响方面开展了大量研究,并对其节水机制进行了解析,亟待总结梳理。本文回顾了分根区交替灌溉技术的发展历程,综述了分根区交替灌溉对作物生长发育、产量及品质的影响,归纳了该技术影响作物水分利用效率的生理机制,并对分根区交替灌溉在未来的研究方向进行了展望,以期为作物分根区交替灌溉节水灌溉机理研究和节水灌溉技术的革新提供参考。

In the context of increasing global water resource shortage,how to improve the agricultural water using efficiency is of great significance for the sustainable development of agriculture.As a kind of efficient water-saving irrigation technology with good prospect,alternate partial root-zone drip irrigation is considered to be one of the most promising irrigation technologies in the future.At present,scientists around the world have carried out a lot of researches on the impact of alternate partial root-zone irrigation on crop growth and physiology,and analyzed its water-saving mechanism,which needs to be summarized and sorted out urgently.This paper reviewed the development history of alternate partial root-zone irrigation,reviewed the effects of alternate partial root-zone irrigation on crop growth and development,yield and quality,summarized the physiological mechanism of this technology affecting crop water use efficiency,and prospected the future research direction of alternate partial root-zone irrigation.In order to provide reference for the research of water-saving irrigation mechanism and innovation of water-saving irrigation technology for crop alternate partial root-zone irrigatio.